Shift Interlock Systems: Other Mercedes-Benz C-class W202 facelift

Parking Lock Interlock

1. Parking lock interlock interacts with steering lock. Parking lock interlock prevents selector lever from being moved out of "P" position when ignition key is turned to "0" position and brake pedal is not operated. see scheme 2
2. When ignition switch is turned to "1" position, blocking cam in steering lock releases control cable. see scheme 1 When brake pedal is operated, locking lever is turned downward, tension spring at brake pedal is tensioned and release lever is released. Force of pressure spring No. 2 overrides lower spring force of pressure spring No. 1 and pulls shift and locking valve in front of blocking cam. Locking pawl turns and lifts off detent plate. Parking lock is now able to be released.

Steering Lock Cable & Parking Lock Interlock Cable With Adjusters At Brake Pedal

Turn ignition switch to "1" position. Apply brake pedal to furthest travel and hold. Place shift selector lever in "D" position. Adjust parking lock cable by depressing adjusting button. (Scheme 19) With ignition switch turned to "0" position and shift selector lever in "P" position, depress adjusting button to adjust steering lock cable.

Steering Lock Cable & Parking Lock Interlock Cable With Adjuster At Transmission

Shift selector lever must be in "P" position and ignition switch turned to "0" position for all adjustments. Adjust steering lock cable first by depressing adjusting button. Adjust parking lock interlock cable by depressing adjusting button located at rear of transmission. (Scheme 20)

Scheme 19

Scheme 20

SHIFT INTERLOCK CABLE

Note. Adjust both parking lock interlock and steering lock cables after installation.

Steering Lock Cable

Remove cover below left side of instrument panel. Unhook cable from steering lock by pressing in locking tongues and pressing in against steering lock. (Scheme 21) Remove stoplamp switch and unhook steering lock cable from release lever. Compress locking device and push steering lock cable upwards and out of pedal bearing bracket. Remove steering lock cable. To install, reverse removal procedure.

Parking Lock Interlock Cable With Adjuster At Transmission

1. Shift selector lever must be in "P" position for removal and installation procedure. Remove cover below left side of instrument panel. Pull off entrance strip and remove "A" pillar footwell cover. Remove accelerator pedal from floor panel and remove driver side flooring. Remove air duct for rear compartment heating.
2. Unhook cable from release lever. Compress locking device and push cable upwards and out of mount on pedal bearing bracket. (Scheme 21) Turn cable housing at transmission counterclockwise and pull cable out of transmission. see scheme 6 To install, reverse removal procedure.

Parking Lock Interlock Cable With Adjuster At Brake Pedal

1. Shift selector lever must be in "P" position for removal and installation procedure. Remove cover below left side of instrument panel. Pull off entrance strip and remove "A" pillar footwell cover. Remove accelerator pedal from floor panel and remove driver side flooring. Remove air duct for rear compartment heating.
2. Unhook cable from release lever. Compress locking device and push cable upwards and out of mount on pedal bearing bracket. (Scheme 21) Using screwdriver, pry locking device outward on cable housing at rear of transmission. Pull cable from transmission. see scheme 6 To install, reverse removal procedure.

Scheme 21